How to get from Montlhéry to Chatou by RER and bus?

From Montlhéry to Chatou by RER and bus

To get from Montlhéry to Chatou you’ll need to take one bus line and 2 RER lines: take the 4603 bus from Montlhéry station to Gare D'Orsay-Ville station. Next, you’ll have to switch to the B RER and finally take the A RER from Châtelet Les Halles station to Chatou - Croissy station. The total trip duration for this route is approximately 1 hr 25 min. The RER and bus schedule from Montlhéry may change. We recommend you check the updated RER and bus schedule to Chatou on the Moovit app.

85min
Walk to bus station
Bus - 46034603
RER - B
RER - B
RER - A
RER - A
Walk to Chatou
Leaves from Montlhéry

Step by Step

  • 1
    Walk to bus station
    Walk to bus station
    Montlhéry
    10 m • 1 min
  • 2
    Bus - 46034603
    Wait for bus
    4603
    Gare D'Orsay-Ville
  • 3
    Ride to bus station
    Ride to bus station
    Gare D'Orsay-Ville
    6 min
  • 4
    Walk to RER station
    Walk to RER station
    Orsay Ville
    30 m • 1 min
  • 5
    RER - B
    Wait for RER
    B
    Aéroport Charles de Gaulle 2 (Terminal 2)
  • 6
    Ride to RER station
    Ride to RER station
    Châtelet Les Halles
    36 min
  • 7
    RER - A
    Wait for RER
    A
    Saint-Germain-En-Laye
  • 8
    Ride to RER station
    Ride to RER station
    Chatou - Croissy
    21 min
  • 9
    Walk to Chatou
    Walk to
    Chatou
    610 m • 8 min
*Duration based on 8am traffic

Alternative route from Montlhéry to Chatou by RER and bus via 4609, B and A

To get from Montlhéry to Chatou you’ll need to take one bus line and 2 RER lines: take the 4609 bus from Montlhéry station to Gare du Guichet station. Next, you’ll have to switch to the B RER and finally take the A RER from Châtelet Les Halles station to Chatou - Croissy station. The total trip duration for this route is approximately 1 hr 27 min. The RER and bus schedule from Montlhéry may change. We recommend you check the updated RER and bus schedule to Chatou on the Moovit app.

87min
Walk to bus station
Bus - 46094609
RER - B
RER - B
RER - A
RER - A
Walk to Chatou
Leaves from Montlhéry

Step by Step

  • 1
    Walk to bus station
    Walk to bus station
    Montlhéry
    10 m • 1 min
  • 2
    Bus - 46094609
    Wait for bus
    4609
    Christ de Saclay
  • 3
    Ride to bus station
    Ride to bus station
    Gare du Guichet
    8 min
  • 4
    Walk to RER station
    Walk to RER station
    Le Guichet
    250 m • 4 min
  • 5
    RER - B
    Wait for RER
    B
    Aéroport Charles de Gaulle 2 (Terminal 2)
  • 6
    Ride to RER station
    Ride to RER station
    Châtelet Les Halles
    33 min
  • 7
    RER - A
    Wait for RER
    A
    Saint-Germain-En-Laye
  • 8
    Ride to RER station
    Ride to RER station
    Chatou - Croissy
    21 min
  • 9
    Walk to Chatou
    Walk to
    Chatou
    610 m • 8 min
*Duration based on 8am traffic
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Public transit directions from Montlhéry to Chatou

The distance between Montlhéry and Chatou is approximately 44.6 km, which can typically be travelled in 85 min. Moovit will show you the directions from Montlhéry to Chatou by RER and bus, so no matter how you choose to travel in Chatou – you will always have plenty of easy options.

RER And Bus schedule from Montlhéry to Chatou

To check the RER and bus schedule from Montlhéry to Chatou using the Moovit app, first download and open the app on your smartphone. Enter your starting point (Montlhéry) and destination (Chatou), then select the desired date and time of travel. Moovit will show all available RER and bus routes, estimated travel times, and any required transfers. You can view detailed departure and arrival times for each RER and bus, as well as real-time updates for delays or changes. Use this information to plan your trip and stay up to date with the latest RER and bus schedules.

Related Routes

Alternative route from Montlhéry to Chatou by RER and bus via 4609, B and A

To get from Montlhéry to Chatou you’ll need to take one bus line and 2 RER lines: take the 4609 bus from Montlhéry station to Gare du Guichet station. Next, you’ll have to switch to the B RER and finally take the A RER from Châtelet Les Halles station to Chatou - Croissy station. The total trip duration for this route is approximately 1 hr 27 min. The RER and bus schedule from Montlhéry may change. We recommend you check the updated RER and bus schedule to Chatou on the Moovit app.

87min
Walk to bus station
Bus - 46094609
RER - B
RER - B
RER - A
RER - A
Walk to Chatou
Leaves from Montlhéry

Step by Step

  • 1
    Walk to bus station
    Walk to bus station
    Montlhéry
    10 m • 1 min
  • 2
    Bus - 46094609
    Wait for bus
    4609
    Christ de Saclay
  • 3
    Ride to bus station
    Ride to bus station
    Gare du Guichet
    8 min
  • 4
    Walk to RER station
    Walk to RER station
    Le Guichet
    250 m • 4 min
  • 5
    RER - B
    Wait for RER
    B
    Aéroport Charles de Gaulle 2 (Terminal 2)
  • 6
    Ride to RER station
    Ride to RER station
    Châtelet Les Halles
    33 min
  • 7
    RER - A
    Wait for RER
    A
    Saint-Germain-En-Laye
  • 8
    Ride to RER station
    Ride to RER station
    Chatou - Croissy
    21 min
  • 9
    Walk to Chatou
    Walk to
    Chatou
    610 m • 8 min
*Duration based on 8am traffic

Questions & Answers

  • What is the fastest way to get from Montlhéry to Chatou?

    The fastest way takes 85 minutes, using Bus line 4603, RER line B, RER line A.

  • What is the alternative route to get from Montlhéry to Chatou?

    The alternative route takes 87 minutes, using Bus line 4609, RER line B, RER line A.

  • Is there a direct bus between Montlhéry and Chatou?

    No, you’ll have to take one bus line and 2 RER lines in total. The total travelling time is 1 hr 25 min.

  • Which bus line goes from Montlhéry to Chatou?

    The 4603 bus line goes from Montlhéry station near Montlhéry in Palaiseau to Gare D'Orsay-Ville station. From there you’ll have to take 2 RER lines till Gare D'Orsay-Ville station near Chatou.

  • How long does it take to travel from Montlhéry to Chatou by bus and RER?

    The total travel time between Montlhéry and Chatou by bus and RER is about 1 hr 25 min.

  • Where do I get on the bus near Montlhéry to get to Chatou?

    Get on the 4603 bus from the Montlhéry stop near Montlhéry in Palaiseau.

  • Where do I get off the bus when travelling between Montlhéry and Chatou?

    Get off the bus at the Gare D'Orsay-Ville station, which is closest to Chatou.

Popular Routes